Barracuda 09

Hi guys im new here, I was just wondering i have been looking at a new jump bike on ebay, and it obviously only has the one gear i just wanted to no what level this gear is compared to moutain bikes etc.. is this the same a bmx gear or higher. I will just be using this for general use and wanted to no what you guys think. This is the bike http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...em=130296874932 Cheers guys any help welcome